Republican presidential candidate Ted Cruz on Saturday continued to attack his 2016 rival Donald Trump on immigration, accusing the real estate mogul of being a supporter of "amnesty."

Although Trump's campaign has been centralized around his hardline stance against immigration, Cruz as of late has been accusing the GOP front-runner of actually embracing "amnesty" for undocumented immigrants.

The Texas senator first began making this claim last week when he told ABC News anchor George Stephanopoulos that Trump's position on illegal immigration would ultimately amount to amnesty. Cruz also accused the billionaire businessman of publicly supporting amnesty in a tweet he sent back in 2013 as well as the 2013 "Gang of Eight" immigration bill, which included a pathway of citizenship for undocumented residents.

While campaigning in Iowa on Saturday, Cruz reiterated his charge that the reality TV star has a soft approach on immigration. He also portrayed Trump as an advocate of "amnesty" who is pretending to opposed to illegal immigration just to win the Republican primary.

"Even right now today, Mr. Trump supports amnesty," Cruz said at an event hosted by his super PAC not far from Des Moines, reports CNN. "He doesn't get to pretend it's not amnesty when he's making 12 million people here illegally into 12 million U.S. citizens."

Cruz went on to remind voters about Trump's tweets supporting the "Gang of Eight" bill during a campaign stop in Dike.

"Mr. Trump, at the time, was sending tweets publicly supporting amnesty," Cruz said at a local pizza shop. "That's what was happening when the fight was being fought."

The congressman also dismissed Trump's proposal to deport millions of undocumented immigrants as just a "touchback" program, which would allow unauthorized immigrants to cross back over the border after they've been deported.

If you want to know which candidate will "burn" you on immigration, then look at Trump, Cruz told voters in Iowa.

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